Home / 897,377,293.85-1,238,587,289.88-526,218,899.45

Finding the Fourth Proportional to 897,377,293.85, 1,238,587,289.88 and 526,218,899.45

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Solution

The fourth proportional to 897,377,293.85, 1,238,587,289.88 and 526,218,899.45 is: 726,303,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,377,293.85 : 1,238,587,289.88 = 526,218,899.45 : x
  2. Step 2: Convert to fraction form
    897,377,293.85/1,238,587,289.88 = 526,218,899.45/x
  3. Step 3: Cross multiply
    897,377,293.85x = 1,238,587,289.88 × 526,218,899.45
  4. Step 4: Simplify right side
    897,377,293.85x = 651,768,040,553,160,064
  5. Step 5: Solve for x
    x = 651,768,040,553,160,064/897,377,293.85
  6. Step 6: Final answer
    x = 726,303,245.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.